/*
 * Copyright (C) 2000-2008 Jens Nixdorf and various contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies of the Software, its documentation and marketing & publicity
 * materials, and acknowledgment shall be given in the documentation, materials
 * and software packages that this Software was used.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package org.mopore.jat.board;

import java.awt.Toolkit;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;
import javax.swing.JOptionPane;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class SaveClipBoardImageToFile {

    private static final String ERROR = "error";

    private static final String COULD_NOT_STORE_IMAGE_TO_FILESYSTEM = "could not store image to filesystem";

    private static final String NO_IMAGE_FOUND = "No image found";

    private static final String COULD_NOT_FIND_AN_IMAGE_IN_CLIPBOARD = "Could not find an image in clipboard";

    public static void save(File file) {

        final Log log = LogFactory.getLog(SaveClipBoardImageToFile.class.getName());

        Transferable transferable = Toolkit.getDefaultToolkit().getSystemClipboard().getContents(
                null);

        BufferedImage image = null;

        if (transferable != null && transferable.isDataFlavorSupported(DataFlavor.imageFlavor)) {
            try {
                image = (BufferedImage) transferable.getTransferData(DataFlavor.imageFlavor);

                ImageIO.write(image, "PNG", file);
            } catch (UnsupportedFlavorException e) {
                log.error(COULD_NOT_FIND_AN_IMAGE_IN_CLIPBOARD, e);
                JOptionPane.showMessageDialog(null, COULD_NOT_FIND_AN_IMAGE_IN_CLIPBOARD,
                        NO_IMAGE_FOUND, JOptionPane.WARNING_MESSAGE);
            } catch (IOException e) {
                log.error(COULD_NOT_STORE_IMAGE_TO_FILESYSTEM, e);
                JOptionPane.showMessageDialog(null, COULD_NOT_STORE_IMAGE_TO_FILESYSTEM, ERROR,
                        JOptionPane.ERROR_MESSAGE);
            }
        } else {
            log.error(COULD_NOT_FIND_AN_IMAGE_IN_CLIPBOARD);
            JOptionPane.showMessageDialog(null, COULD_NOT_FIND_AN_IMAGE_IN_CLIPBOARD,
                    NO_IMAGE_FOUND, JOptionPane.WARNING_MESSAGE);
        }

    }

    public static boolean checkForClipboardImageWithWarning() {

        boolean imagePresent = false;

        Transferable transferable = Toolkit.getDefaultToolkit().getSystemClipboard().getContents(
                null);

        if (transferable != null && transferable.isDataFlavorSupported(DataFlavor.imageFlavor)) {
            imagePresent = true;
        } else {
            JOptionPane.showMessageDialog(null, COULD_NOT_FIND_AN_IMAGE_IN_CLIPBOARD,
                    NO_IMAGE_FOUND, JOptionPane.WARNING_MESSAGE);
        }

        return imagePresent;
    }

}
